Videofrom$0.0800 / s

Veo 3.1 Fast

Generates video from text · 720p to 1080p · 4–8 s · native audio

text-to-video

curl -X POST https://api.open.sume.com/v1/video-router/generate \
  -H "Authorization: Bearer $SUME_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"veo-3.1-fast","prompt":"A cinematic tracking shot along a sunlit coastal road","duration":5,"resolution":"720p","aspect_ratio":"16:9","generate_audio":false}'

1. Calling the API

Veo 3.1 Fast has the model id veo-3.1-fast. Send a JSON body to POST https://api.open.sume.com/v1/video-router/generate.

Parameter	Type	Required	Default	Description
model	string	Yes	—	"veo-3.1-fast"
prompt	string	Yes	—	What happens in the video.
duration	integer	No	5	Seconds, 4–8.
resolution	string	No	720p	Output resolution. Options: 720p, 1080p.
aspect_ratio	string	No	16:9	Frame shape. Options: 16:9, 9:16.
generate_audio	boolean	No	false	Generate a soundtrack with the video.

2. Authentication

Send your open.sume.com key as a bearer token from server code only. Keys minted on open.sume.com bill this balance in dollars and call the model API only.

Authorization: Bearer $SUME_API_KEY

3. Queue

A submit answers 202 with the job, its status_url and result_url. Poll the status until it is completed, failed or canceled; failed and canceled jobs are refunded.

Pricing

Dollars per unit at each option, from our rate card; a request rounds up to $0.0001. The estimate above is the exact charge.

Option	Price
720p · audio off	$0.0800 / s
720p · audio on	$0.1000 / s
1080p · audio off	$0.0995 / s
1080p · audio on	$0.1200 / s

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